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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (263): Oval Shape 20x15 mm Gems Clear All
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ID: 4454151 pcs
thumb image of 20.8ct Oval Facet Violet-Blue Color-Change Fluorite (ID: 445415)
20.76 ct Color-Change Fluorite
20.1 x 15.2 mm
$ 520.66
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ID: 4454181 pcs
thumb image of 20.6ct Oval Facet Violet-Blue Color-Change Fluorite (ID: 445418)
20.55 ct Color-Change Fluorite
20.1 x 15.1 mm
$ 515.39
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ID: 4734211 pcs
thumb image of 13.3ct Oval Facet Gray Blue Sheen Labradorite (ID: 473421)
13.33 ct Labradorite
19.9 x 15.2 mm
$ 26.66
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ID: 4454141 pcs
thumb image of 18.8ct Oval Checkerboard Violet-Blue Color-Change Fluorite (ID: 445414)
18.83 ct Color-Change Fluorite
19.8 x 15 mm
$ 472.26
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ID: 4802051 pcs
thumb image of 25.1ct Oval Facet Swiss Blue Topaz (ID: 480205)
25.12 ct Topaz
20.1 x 15.2 mm
$ 187.14
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ID: 4839891 pcs
thumb image of 24.9ct Oval Facet Swiss Blue Topaz (ID: 483989)
24.90 ct Topaz
20.1 x 15.2 mm
$ 185.51
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ID: 3598761 pcs
thumb image of 20.9ct Oval Cabochon Smoke Moonstone (ID: 359876)
20.93 ct Moonstone
20.1 x 15.1 mm
$ 41.86
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ID: 4801181 pcs
thumb image of 24.6ct Oval Facet Swiss Blue Topaz (ID: 480118)
24.57 ct Topaz
20.1 x 15.2 mm
$ 183.05
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ID: 3703752 pcs
thumb image of 26.1ct Oval Cabochon Multicolor Jasper (ID: 370375)
26.12 ct Jasper
20.1 x 15.1 mm
$ 31.60
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ID: 4802091 pcs
thumb image of 24.5ct Oval Facet Swiss Blue Topaz (ID: 480209)
24.52 ct Topaz
20.1 x 15.1 mm
$ 182.67
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ID: 3704331 pcs
thumb image of 14.4ct Oval Cabochon Multicolor Jasper (ID: 370433)
14.36 ct Jasper
20 x 15.1 mm
$ 21.54
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ID: 4770141 pcs
thumb image of 24.4ct Oval Facet Sky Blue Topaz (ID: 477014)
24.40 ct Topaz
20.1 x 15.1 mm
$ 181.78
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ID: 4800121 pcs
thumb image of 24.2ct Oval Facet Swiss Blue Topaz (ID: 480012)
24.17 ct Topaz
20.2 x 15.2 mm
$ 180.07
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ID: 3658322 pcs
thumb image of 19.9ct Oval Cabochon Multicolor Jasper (ID: 365832)
19.92 ct Jasper
19.9 x 15.1 mm
$ 29.88
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ID: 4059351 pcs
thumb image of 23.9ct Oval Cabochon Multicolor Tiger's Eye Matrix (ID: 405935)
23.92 ct Tiger's Eye Matrix
20 x 14.9 mm
$ 25.59
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ID: 4770171 pcs
thumb image of 24ct Oval Facet Sky Blue Topaz (ID: 477017)
23.95 ct Topaz
20 x 15.1 mm
$ 178.43
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ID: 4059311 pcs
thumb image of 23ct Oval Cabochon Multicolor Tiger's Eye Matrix (ID: 405931)
23.02 ct Tiger's Eye Matrix
20.1 x 15.2 mm
$ 24.63
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ID: 3129691 pcs
thumb image of 27.5ct Oval Cabochon Pink Rose Quartz (ID: 312969)
27.49 ct Rose Quartz
20 x 15.1 mm
$ 32.99
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ID: 4059331 pcs
thumb image of 22.3ct Oval Cabochon Multicolor Tiger's Eye Matrix (ID: 405933)
22.34 ct Tiger's Eye Matrix
20.2 x 15.1 mm
$ 23.90
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ID: 4770131 pcs
thumb image of 23.9ct Oval Facet Sky Blue Topaz (ID: 477013)
23.86 ct Topaz
19.9 x 14.9 mm
$ 177.76
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ID: 4059321 pcs
thumb image of 22.2ct Oval Cabochon Multicolor Tiger's Eye Matrix (ID: 405932)
22.16 ct Tiger's Eye Matrix
20 x 15 mm
$ 23.71
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Oval Shape 20x15 mm Gems
Some people by gems by color or pricze, but for many, it is best to buy gems by shape and size - especially if you're in need of a gem to replace a previous item that was lost or damaged. Calibrated oval shapes, facet cut and cabochon gems available now in 20 x 15 mm size range. Shop a wide range of calibrated gemstones by size online at wholesale from GemSelect.

As a general guideline, when it comes to 'calibrated' gems, they are not usually expected to be cut to exact measurements. For calibrated gemstones weighing under one carat, most jewelry settings will accommodate a gem which is within 0.2 mm of the calibrated size in order to fit a standard setting. For gemstones that weigh over one carat, a larger variance is acceptable, often round shape settings will allow 0.3 mm or slightly higher even. This small variance can usually be accommodated for most standard style settings. Round-cut gemstones should also have a greater variance in acceptable size when it comes to calibration; in fact it is usually possible to mount a round stone of any size in the closest standard setting.

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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart